Door-operating mechanism.



E. A. GROSS.

DOORGPEBATING MECHANISM.

APPUCAHDN muy DEC. 4. 918.

1 ,299,830. -Patented'Apn 8, 1919.

2 SHEETS-SHEET I.

Qnoenfoz atten uw; s

E.' A. GROSS.

Doon OPERAUNG MECHANISM.

AiPLlcMuoN man nac` 4, ma.

2 SHEETS-SHEET 2.

gnueall'ot ETTLEE A. Er

which coacts with e quadrant for holding the lever 5' in adjusted position. By operating the lever 5, the shaft 4 muy Vbe shi ted longitudinally, to move the gear 0r pin on 3 ont of mesh 'with the rack 2 to permit the closure to be o4 ned or closed without a'ectin rotationo A yieldab e buffer 24 is provided for limit# ing the opening 'movement of the closure 1 and it is provided for enga ement with abniiing plate 25 carried by tie edge of the' closure. I

In Fig. 4 of. the. drawings; thedevice is illustrated und adapted for moving a pair of sliding closures in op insite directions, for' permitting entrance t roufh the openin hes-e closures are indient 1'* and 1" and may be'lmng'in any ordinary manner. The operating meehanisnnlof the preferred form; includes the shaft 4 which is eonneeted to the shaft 9* which shaft 9' is in turn ronnerted to the rollers fl and 22" for rotation by the rotation of the rollersxto more the t-losure l* int anjopen position. These' elosuri-s i nml l hnre racks upon their under edges the sume ns the raclt-2`nnd the door or rlosnre 1** is opened by the'mtation'of the shaft. 4 through the medium 4of a ,qennideng tit-nl with the gear irl. The shaft 4*? hns .a herein-l geur 30 mounted thereon intermedinie its' ends u'hiehrlwrtled gearmeshoifwith a'hereiedgear 31 carried hy n shaft tlfn'liirh extends' transversely to the shaft-A" und like the shaft '-i is olnlxidlled in n suifnhlo-txeneh :i2-l. und is protected h v a closurtlilnto. so ns to permitithe passage of a vehicgo'verthe shaft. without in. any way mntilaiingfor*interfering with the operation of, thewlnifttbeveled geur 34 is mounted -1=iponjthe end of the shaft 3Q opposite to the t-,ndn'hirli :il sind the liereliul gear 34 meshes with u lieve-hul gear 35u TheA bowled gear Bz'i'is rnrriod h v av shaft Elli. whit-Ix is |msitioned parnllel to the shaft 4'.

living rotnlnlily snplunl'rd h v snilul'ileln'arings 3T und' this s|mft..2il'i is adapted to have n lievi-led geur. the huh of whirh is indie ded h v the nnnn-ral iti upon ils inner rml u' ieh pinion is adapted to mesh with a ran-,k :opor- 'tlnlower odge of lhr elosurol". u'lwlrliy` upon rotation of the shaft.- Illi 'the i-losure 1' will he moved into un open position. ll'. will he noted. that. hy lin"arrangement of thema; rions hou-led gears, Ihoshafti talud in ilu-,opposite dirt-ut ion tothe rotation of the shaft 4", and consequently the 'sliding rlosnrtl" will 'lai moved nnay 'fromv tho vlosm'e l". during the rotationoidln. shaft lt';

Changes in details may Iwponle without departing: from tin-spirits oftliis in ivenlion. lint I l .-lann: A b

l. in a r-losnre,operatingmmhanismsthe .the rollers 21 end22.

y the miniera s will he 'roslla 1,nen,sao

combination with n sldin closure. of a rack along the lower ed e o said closure, n pair of parallel rol ers, menus ronnecting said rollers and .said rarlg for .opening the closure upon-rotation of the rollers.

2. In aelosnre operating" mechanism. the combination with nsliding closure, of a rai-k along the lower edge of said closure. a pair of arallel rollers, a shaft connor-ted to said rol eroici-rotation by the rotation of tlu rollers, a gear upon said shaft. and meshing .mark to more said-elosnre upon rotation o`f the rollers.

3. Ina'eiosure operating methunisni. the eombination )ritira sliding elosuret of n rari: along the lower edge .of said -elnsanfe` a roller, it xhnftoperatirely eonnoctodzto said roller,

a seitndshaft; a teleseoling ronnectiou het'n'een said tim und serond mentioned shafts.

ivg'ear 'carried hy snid seooml ,mentioned shaft and meshing witl said rin-k for nioring-ead'closnre upon-rotation of said roller. 4;- In a e-losure operating meolnmison.4 the eoniliinationirith n slidingelosnre. ol' a rai-lt along the lo,\\jelerige of snld-c--lmsnx-v, a roller. aslin'it' operntirely lconnected to said, rolh-r. a secondslmititatelesropng manet-tion he- -twe`en s'aid'tirst ani-lfseqond mentioned shafts.

:tige-ar 'carried ln.' said srrond mentioned shafty and meshing with said -raek for mor- ,i ing said rlosnre upon rotation of said roller.

:and a yieldnble hnlervfor limiting thotopenim;r movement ofssnid closure.. Iu-aelms'nre operating meelmnism. the munhnation with n sliding` elcisnre. of-a 'rack along the' lower edge of said rlotiurr. a pmr of mrallel' rorrugatrd rollers. u longitudinally .sli'iftahlo shaft, menus operntretil oonnorting snill rollers and said shaft,`a soeonil shaft, a teiten-opio eonln-.t'tinu hntu'tien'snid second shaft and 'said first `named shaft-. n genfenrried by saiilsei-ond shaft. and mesh- Ying; n'ith sniel4 rnrlt fior moving snhl rlosnro "upon rotation of said roller. and a hand lever eonntirtetl-lo said first shaft to shift. it lo `permitoeration of said elosorr inde- `f pendently o said rollers,

6. vIna closure 'opnrntiig nawloinism. the `mnl|ination ywith n pair of op|msilely movahlnsliiling closures, of rzirks along lin` louer edges of suid i-losnriis. a.V plnrnllty of Hillel-s. and means"eonneetingjsaid rollers -ati'il riieks foimoving sitirlislidng rlosnres in opposite` directions npon'.'rot.ationl ol' `the rollin-n.1.,

'l'. AT-,nfn closure,own-ation nniehanism, the i-qttlhidntion.with n' ,pair o Aop uisitely moi'- alile iiling riuso-rvs, ofrat-,s 'nlon v the lower iilges'nf '-sznligl rlosi'lres, n. plurality of pnrnl .l iforrngnlml rollout, n ,shnfl'napera- 'lively connmied .to saiil-,Iol'lel-swi 'see'oml l *frlfil'ioing u'ith said li'rsl .,nnmed shaft., n oonnolioo lwtwren, saitll.Iiiishand second inline slilints. .igenionlripihipe sniil second named shaft for meshing engagement with e rack carried by on sures, a transverse shaft of said sliding clooperatively connectd shaft, a relatively gear carried by said or meshing engage- ERNEST A. GROSS. 

